JPS5212814A - Thin film magnetic head - Google Patents
Thin film magnetic headInfo
- Publication number
- JPS5212814A JPS5212814A JP51083053A JP8305376A JPS5212814A JP S5212814 A JPS5212814 A JP S5212814A JP 51083053 A JP51083053 A JP 51083053A JP 8305376 A JP8305376 A JP 8305376A JP S5212814 A JPS5212814 A JP S5212814A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- magnetic head
- film magnetic
- head
- thin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010409 thin film Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
- G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
- G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
- G11B5/3925—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure the two parts being thin films
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/488—Disposition of heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7508533A NL7508533A (en) | 1975-07-17 | 1975-07-17 | THIN FILM MAGNETIC HEAD FOR READING AND WRITING INFORMATION. |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5212814A true JPS5212814A (en) | 1977-01-31 |
Family
ID=19824167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51083053A Pending JPS5212814A (en) | 1975-07-17 | 1976-07-14 | Thin film magnetic head |
Country Status (6)
Country | Link |
---|---|
US (1) | US4100583A (en) |
JP (1) | JPS5212814A (en) |
DE (1) | DE2630515A1 (en) |
FR (1) | FR2318479A1 (en) |
GB (1) | GB1560393A (en) |
NL (1) | NL7508533A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52167586U (en) * | 1976-06-11 | 1977-12-19 | ||
JPS6148116A (en) * | 1984-08-11 | 1986-03-08 | Fujitsu Ltd | Thin film magnetic head |
JPS63138513A (en) * | 1986-11-28 | 1988-06-10 | Nec Corp | Thin film magnetic head and its production |
JPS63292408A (en) * | 1987-05-26 | 1988-11-29 | Canon Electronics Inc | Magneto-resistance effect type magnetic head |
US5025342A (en) * | 1989-08-24 | 1991-06-18 | Matsushita Electric Industrial Co., Ltd. | Thin-film magnetic head device for recording and reproducing |
US5095397A (en) * | 1989-08-04 | 1992-03-10 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head of embodied recording and reproducing transducer type |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1137627A (en) * | 1978-04-25 | 1982-12-14 | Wilhelmus J. Van Gestel | Magnetoresistive head |
FR2461995A1 (en) * | 1979-07-20 | 1981-02-06 | Lcc Cice Cie Europ Compo Elect | MAGNETOELECTRIC TRANSDUCER FOR A MAGNETIC RECORDING SYSTEM, AND A RECORDING SYSTEM COMPRISING SUCH A TRANSDUCER |
US4388662A (en) * | 1981-01-28 | 1983-06-14 | Eastman Kodak Company | Thin film magnetoresistive head |
US4566050A (en) * | 1982-12-30 | 1986-01-21 | International Business Machines Corp. (Ibm) | Skew insensitive magnetic read head |
NL8301188A (en) * | 1983-04-05 | 1984-11-01 | Philips Nv | MAGNETIC HEAD WITH A THIN STRIP MAGNET RESISTANCE AS READING ELEMENT. |
US4782415A (en) * | 1985-10-02 | 1988-11-01 | International Business Machines Corp. | Differential twin track vertical read/write magnetic head structure |
US4698711A (en) * | 1985-10-02 | 1987-10-06 | International Business Machines Corporation | Simplified, shielded twin-track read/write head structure |
DE3787509T2 (en) * | 1986-11-28 | 1994-01-20 | Nippon Electric Co | Thin film magnetic head. |
US4860138A (en) * | 1987-11-12 | 1989-08-22 | International Business Machines Corp. | Differentially sensitive single track read/write head design with improved biasing |
US5428893A (en) * | 1989-06-02 | 1995-07-04 | Quantum Corporation | Method of making a transducer with improved inductive coupling |
US5195005A (en) * | 1989-06-02 | 1993-03-16 | Digital Equipment Corporation | Tranducer with improved inductive coupling |
US5311386A (en) * | 1989-06-02 | 1994-05-10 | Digital Equipment Corporation | Transducer with improved inductive coupling |
US5184267A (en) * | 1989-06-02 | 1993-02-02 | Digital Equipment Corporation | Transducer with improved inductive coupling |
EP0478256B1 (en) * | 1990-09-27 | 1997-05-14 | Kabushiki Kaisha Toshiba | Magnetic head |
US5452151A (en) * | 1992-05-29 | 1995-09-19 | J. Money & Associates, Inc. | Data access module |
US5508868A (en) * | 1993-01-25 | 1996-04-16 | Read-Rite Corporation | Dual element magnetoresistive sensing head having in-gap flux guide and flux closure piece with particular connection of magnetoresistive sensing elements to differential amplifier |
US7505233B2 (en) * | 2004-12-15 | 2009-03-17 | International Business Machines Corporation | Magnetic sensor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2852617A (en) * | 1955-01-14 | 1958-09-16 | Zeiss Ikon Ag | Magnet head |
US3007011A (en) * | 1957-07-26 | 1961-10-31 | Magnetic transducing heads | |
US3921217A (en) * | 1971-12-27 | 1975-11-18 | Ibm | Three-legged magnetic recording head using a magnetorestive element |
US3864751A (en) * | 1973-10-04 | 1975-02-04 | Ibm | Induced bias magnetoresistive read transducer |
US3860965A (en) * | 1973-10-04 | 1975-01-14 | Ibm | Magnetoresistive read head assembly having matched elements for common mode rejection |
-
1975
- 1975-07-17 NL NL7508533A patent/NL7508533A/en unknown
-
1976
- 1976-07-07 DE DE19762630515 patent/DE2630515A1/en not_active Withdrawn
- 1976-07-14 JP JP51083053A patent/JPS5212814A/en active Pending
- 1976-07-14 US US05/705,050 patent/US4100583A/en not_active Expired - Lifetime
- 1976-07-14 GB GB29274/76A patent/GB1560393A/en not_active Expired
- 1976-07-15 FR FR7621644A patent/FR2318479A1/en not_active Withdrawn
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52167586U (en) * | 1976-06-11 | 1977-12-19 | ||
JPS574326Y2 (en) * | 1976-06-11 | 1982-01-27 | ||
JPS6148116A (en) * | 1984-08-11 | 1986-03-08 | Fujitsu Ltd | Thin film magnetic head |
JPH0630130B2 (en) * | 1984-08-11 | 1994-04-20 | 富士通株式会社 | Method of manufacturing thin film magnetic head |
JPS63138513A (en) * | 1986-11-28 | 1988-06-10 | Nec Corp | Thin film magnetic head and its production |
JPS63292408A (en) * | 1987-05-26 | 1988-11-29 | Canon Electronics Inc | Magneto-resistance effect type magnetic head |
US5095397A (en) * | 1989-08-04 | 1992-03-10 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head of embodied recording and reproducing transducer type |
US5025342A (en) * | 1989-08-24 | 1991-06-18 | Matsushita Electric Industrial Co., Ltd. | Thin-film magnetic head device for recording and reproducing |
Also Published As
Publication number | Publication date |
---|---|
US4100583A (en) | 1978-07-11 |
DE2630515A1 (en) | 1977-02-03 |
NL7508533A (en) | 1977-01-19 |
GB1560393A (en) | 1980-02-06 |
FR2318479A1 (en) | 1977-02-11 |
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